Single Led Printhead Mismatch Failure; Multiple Led Printhead Read Failure; Single Led Printhead Read Failure - Lexmark C950 Service Manual

115.06 Single LED printhead mismatch failure

Step Action and questions
Check the LED printhead.
1
Is the correct LED printhead
installed?

115.07 Multiple LED printhead read failure

Step Action and questions
Check the LED printhead for
1
proper connections.
Is the above component
properly connected?
Replace the printhead interface
2
contact.
Does the error remain?
POR the machine.
3
Does the error continue?
POR the machine.
4
Does the error continue?

115.08 Single LED printhead read failure

Step Action and questions
Check the LED printhead for
1
proper connections.
Is the above component
properly connected?
Replace the printhead flat data
2
cable
Does the error remain?
Replace the printhead interface
3
contact.
Does the error remain?
Yes
Check the LED printhead
installation and connections.
Yes
Go to step 2.
Go to step 3.
Replace the lower engine PCBA
card assembly.
Go to
"Lower engine PCBA
removal" on page 4-98.
Go to step 4.
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page 4-181.
Yes
Go to step 2.
Go to step 3.
Go to step 4.
5058-030
No
Install with the correct LED
printhead. Go to
"LED printhead
removal" on page 4-105.
No
Replace the connections.
Problem resolved
Problem resolved
Problem resolved
No
Replace the connections.
Problem resolved
Problem resolved
Diagnostic information
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